/***************************************************************************//**
 * @file CGI/CamManipulatorExternal.cpp
 * @author  Marek M. Cel <marekcel@mscsim.org>
 *
 * @section LICENSE
 *
 * Copyright (C) 2013 Marek M. Cel
 *
 * This file is part of MScSim. You can redistribute and modify it under
 * the terms of GNU General Public License as published by the Free Software
 * Foundation; either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Further information about the GNU General Public License can also be found
 * on the world wide web at http://www.gnu.org.
 ******************************************************************************/
#ifndef CAM_MANIPULATOR_EXTERNAL_CPP
#define CAM_MANIPULATOR_EXTERNAL_CPP
#endif

////////////////////////////////////////////////////////////////////////////////

#include <CGI/CamManipulatorExternal.h>

////////////////////////////////////////////////////////////////////////////////

CamManipulatorExternal::CamManipulatorExternal() :
    osgGA::NodeTrackerManipulator()
{
    setTrackerMode( NODE_CENTER );
}

////////////////////////////////////////////////////////////////////////////////

bool CamManipulatorExternal::handleFrame( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us )
{
    ///////////////////////////////////////////////////////////////////
    bool result = osgGA::NodeTrackerManipulator::handleFrame( ea, us );
    ///////////////////////////////////////////////////////////////////

    boundDistance();

    return result;
}

////////////////////////////////////////////////////////////////////////////////

bool CamManipulatorExternal::performMovementRightMouseButton( const double /*eventTimeDelta*/, const double /*dx*/, const double /*dy*/ )
{
    return true;
}

////////////////////////////////////////////////////////////////////////////////

void CamManipulatorExternal::boundDistance()
{
//    if ( getDistance() > 5000.0 )
//    {
//        setDistance( 5000.0 );
//    }
//    else if ( getDistance() < 100.0 )
//    {
//        setDistance( 100.0 );
//    }
}
